I noticed this on my last visit years ago and they’ve definitely reprinted the same thing incorrectly.

by avcghjiii

32 comments
  1. To my mind, 12:00am is an hour after 11:00am, what with 12 being the number that comes after 11 and all. But then the 24 hour clock avoids any ambiguity, not that there really is any from the context. 

  2. I’ve always taken this to mean they are open 6am on Saturday to 6pm on Sunday, no?

  3. I don’t think this is an error?
    It would be more of an anomaly if a big Tesco actually opens at 12pm (noon) on a Sunday rather than 12am (midnight) Sunday with a slightly earlier closing time at 6pm.

  4. This is why God invented 12 noon and 12 midnight. 12 am and pm are unclear if not ambiguous.

    Tesco uses midnight in the first line, so Sunday should be noon (or midday) to 6pm.

  5. The sign is correct. Because it closes midnight Saturday, it needs to reiterate that the opening hours are 12am to 6pm on a Sunday.

  6. Maybe they are open on Saturday until midnight and then they don’t close the store but keep it open until Sunday 6pm.

    I know places that do opening times similar to that since they are restocking the store on Saturday so it is manned all night and might as well stay open then. It is not in London, but a Tesco does this in another country.

  7. Won’t be the last to not get midday as 12pm. I remember my local church doing this for a weekday service about 40 years ago.

  8. I once tried to explain the correct 12am and 12pm to a customer…. I always lost the will to live…. Can’t teach stupid sometimes

  9. This is the Bromley-by-Bow store, isn’t it? Irks me every time. Someone needs to educate the sign copywriters.

  10. This takes me back to being newly arrived in the UK, living near a big Asda. Sign says “open 24 hours” and I had often been in there after midnight buying homepride pastabake sauce (£1) and a packet of penne (£0.60) to make a dinner that would last me three days.

    Imagine my shock showing up at 7pm one Sunday to find it locked tight! My flatmates (also foreign) were as baffled as me.

    Relayed the story the next day at work and all the English were confused by my confusion. Of course 24h doesn’t mean Sundays! For a big supermarket? Obviously it would be closed!

  11. If they use “Midnight”, why not just also use “Noon”?

  12. The thing is, no one reading the sign will think the store will open up at midnight on a Sunday.

  13. Believe it or not, they’re actually correct. 12pm is midnight and 12am is midday. The entire world continually gets it wrong. And no, this is not a joke.

  14. There is no such thing as 12am.

    There is 12 noon and 12 midnight. Anything before or after these points in time is AM or PM.

  15. We really should just use 24hr clock for everything here. We all know it, it’s the default on all electronic devices and timetables in the UK and has been for decades.

    I’ve noticed a few more independent shops do use it recently which is welcome.

  16. Isn’t this a case of the store being open 24 hours except on Sunday?

    So it opens 6am on Monday, and closes 6pm on Sunday?

  17. I’ve never liked sticking 1w at the start of the sequence. It’s just jarring going 12, 1-11 rather than 1-12

  18. Why do people even use am pm these days. Stick to 1200-1800 etc. The answer is obvious. In close to retirement and this was something even I learnt at school (also metric, and not imperial)

  19. A local pizza place advertises its open every day from 12am to 10pm, which always strikes me as on odd two hours to decide to be shut for.

  20. Are you sure it’s not open from midnight to 6pm?  

  21. I will die on the hill that there is no such thing as 12pm or 12am. Makes me disproportionately annoyed!

  22. 00.01 – before noon so it is AM
    12.01 – is one minute after noon, there for is PM

  23. I used to work at Tesco. You’d be surprised how common this is. When we had new signage installed they made this same mistake. We had to report it to maintenance for them to replace the sign.

  24. Are you sure they’re not actually open from 6am Saturday till 6pm Sunday?

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